hugin (software)

hugin
Developer(s)	Pablo d'Angelo
Initial release	0.3 beta (October 12, 2003)
Stable release	0.7.0 / October 4, 2008
Preview release	0.8.0 rc1 / May 5, 2009
Written in	C++[1]
Operating system	Linux, OS X, Windows, FreeBSD
Available in	Brazilian Portuguese, Bulgarian, Catalan, Chinese, Czech, Dutch, English, French, German, Hungarian, Italian, Japanese, Korean, Polish, Russian, Slovakian, Spanish, Swedish, Ukranian
License	GNU General Public License
Website	http://hugin.sourceforge.net/

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hugin is a cross-platform open source panorama photo stitching program developed by Pablo d'Angelo and others. It is a GUI front-end for Helmut Dersch's Panorama Tools and Andrew Mihal's Enblend and Enfuse. Stitching is accomplished by using several overlapping photos taken from the same location, and using control points to align and transform the photos so that they can be blended together to form a larger image. hugin allows for the easy (optionally automatic) creation of control points between two images, optimization of the image transforms along with a preview window so the user can see whether the panorama is acceptable. Once the preview is correct, the panorama can be fully stitched, transformed and saved in a standard image format.

[edit] Features

hugin and the associated tools can be used to

combine overlapping images for panoramic photography
correct complete panorama images that are e.g. "wavy" due to a badly levelled panoramic camera
stitch large mosaics of images and photos, e.g. of long walls or large microscopy samples
find control points and optimize parameters with the help of software assistants/wizards
output several projection types like equirectangular (used by many full spherical viewers), mercator, cylindrical, stereographic, and sinusoidal
advanced photometric corrections and HDR stitching

360° panoramic view of a banqueting hall, the ceiling is distorted

the same basic images with fisheye projection and different view angle

An example panorama of London using Hugin software

[edit] Development

Usual output from Hugin software

Same image after cropping and cloning.

A 150° panorama constructed from 10 images with Hugin.

An HDR photo constructed with Enfuse, and perspective corrected with Hugin's stitch feature. Sacra Família do Tinguá, Engenheiro Paulo de Frontin, Rio de Janeiro.

Five projects for the development of hugin / panotools were accepted for the 2007 Google Summer of Code. Additionally a sixth, community sponsored project has been set up. The projects are:

Automatic feature detection by Pedro Alonso (Spain), mentored by Herbert Bay (Switzerland)
New modular GUI by Ippei UKAI (Japan), mentored by Yuval Levy (Canada) who is also the lead administrator on the Summer of Code effort
HDR de-ghosting by Jing Jin (USA), mentored by Pablo d'Angelo (Germany) who is also the lead developer on hugin
Large image processing with VIPS by Mohammad Shahiduzzaman (Bangladesh), mentored by John Cupitt (United Kingdom)
Interactive Panorama Viewer by Leon Moctezuma (Mexico), mentored by Aldo Hoeben (The Netherlands)
Community project: PTbutcher by Zoran Mesec (Slovenija), mentored by Daniel M. German (Canada)